G->getTopLevelRegion());
}
+ std::string getEdgeAttributes(RegionNode *srcNode,
+ GraphTraits<RegionInfo*>::ChildIteratorType CI, RegionInfo *RI) {
+
+ RegionNode *destNode = *CI;
+
+ if (srcNode->isSubRegion() || destNode->isSubRegion())
+ return "";
+
+ // In case of a backedge, do not use it to define the layout of the nodes.
+ BasicBlock *srcBB = srcNode->getNodeAs<BasicBlock>();
+ BasicBlock *destBB = destNode->getNodeAs<BasicBlock>();
+
+ Region *R = RI->getRegionFor(destBB);
+
+ while (R && R->getParent())
+ if (R->getParent()->getEntry() == destBB)
+ R = R->getParent();
+ else
+ break;
+
+ if (R->getEntry() == destBB && R->contains(srcBB))
+ return "constraint=false";
+
+ return "";
+ }
+
// Print the cluster of the subregions. This groups the single basic blocks
// and adds a different background color for each group.
static void printRegionCluster(const Region *R, GraphWriter<RegionInfo*> &GW,
struct RegionViewer
: public DOTGraphTraitsViewer<RegionInfo, false> {
static char ID;
- RegionViewer() : DOTGraphTraitsViewer<RegionInfo, false>("reg", ID){}
+ RegionViewer() : DOTGraphTraitsViewer<RegionInfo, false>("reg", ID){
+ initializeRegionViewerPass(*PassRegistry::getPassRegistry());
+ }
};
char RegionViewer::ID = 0;
struct RegionOnlyViewer
: public DOTGraphTraitsViewer<RegionInfo, true> {
static char ID;
- RegionOnlyViewer() : DOTGraphTraitsViewer<RegionInfo, true>("regonly", ID){}
+ RegionOnlyViewer() : DOTGraphTraitsViewer<RegionInfo, true>("regonly", ID) {
+ initializeRegionOnlyViewerPass(*PassRegistry::getPassRegistry());
+ }
};
char RegionOnlyViewer::ID = 0;
: public DOTGraphTraitsPrinter<RegionInfo, false> {
static char ID;
RegionPrinter() :
- DOTGraphTraitsPrinter<RegionInfo, false>("reg", ID) {}
+ DOTGraphTraitsPrinter<RegionInfo, false>("reg", ID) {
+ initializeRegionPrinterPass(*PassRegistry::getPassRegistry());
+ }
};
char RegionPrinter::ID = 0;
} //end anonymous namespace
: public DOTGraphTraitsPrinter<RegionInfo, true> {
static char ID;
RegionOnlyPrinter() :
- DOTGraphTraitsPrinter<RegionInfo, true>("reg", ID) {}
+ DOTGraphTraitsPrinter<RegionInfo, true>("reg", ID) {
+ initializeRegionOnlyPrinterPass(*PassRegistry::getPassRegistry());
+ }
};
}